VSAN configuration minima and maxima

Status at 2014.04

• Disk groups [MIN]: 1 per host; [MAX]: 5 per host
• Flash devices (SAS, SATA, PCIe SSD): 1 per disk group
• Magnetic disk devices [MIN]: 1 HDD per disk group [MAX]: 7 HDDs per disk group
• Disk formatting overhead:  750 MB per HDD
• Nodes in cluster [MIN]: 3 hosts; [MAX]: 32 nodes
• VMs on VSAN [MAX]: 3200 VMs
• Components (objects (vmdk, swap, config, snapshot) consist of components) per Host [MAX]: 3000
• Memory and CPU overhead [MAX]: 10%
• Amount of memory to support max. configuration of a host [MIN]: 32GB
• Nodes to allow n FTT [MIN]: (2n+1) nodes
• Copies of an object to allow n FTT [MIN]: (n+1) copies